TS-3300 User`s Manual
Contents
1. Boot 1 setting to Drive A In order for the Compact Flash to function prop erly as an IDE hard drive the IDE DRIVE GEOMETRY must be set to AUTOCONFIG PHYSICAL and the DRIVE ASSIGNMENT ORDER must be set to Ide 0 Pri Master or Ide 2 Sec Master In this example the Compact Flash socket on the TS 3300 Ide 0 is set as AUTOCONFIG PHYSICAL and mapped so that drive C is assigned to Ide 0 Pri Master This drive is also set as the 1 boot device A TS 9500 may be added to the system this board has its own Compact Flash socket which may be set to Primary Master or Secondary Master using the DIP switches If the TS 9500 CF is set to Primary Master DIP switch 5 on then no CF may be installed in the TS 3300s socket and the CMOS settings should be exactly as shown above The TS 9500s CF will be mapped as Drive C and will be the boot drive If the TS 9500s CF is set to Secondary Master Ide 2 then the TS 3300s socket may have a CF installed as Primary Master Ide 0 To configure the TS 9500 as Secondary Master DIP switch 5 off change the IDE DRIVE GEOMETRY for Ide 2 to AUTOCONFIG PHYSICAL and change the DRIVE ASSIGNMENT for Drive D to Ide 2 Sec Master 02 20 02 TS 3300 User s Manual Technologic Systems 19 Feedback and Updates to the Manual To help our customers make the most of our products we are continually making additional and updated resources availabl2. 0 carry flag AH 00 Int 15h Function Ath Console I O Redirection This function specifies the device that will be used by the BIOS to direct console input INT 16h and console output INT 10h If the LCD or Matrix keypad is to be used as the console you must also call the LCD and or Matrix keypad BIOS function to enable them ENTRY AX Ath BH Console is directed to Standard I O VGA keyboard or LCD Matrix Console is redirected to COM1 Console is redirected to COM2 Console is redirected to COM3 Console is redirected to COM4 0 if success set if failure carry flag 00 if no error 86h if no supported by BIOS 32 02 20 02 TS 3300 User s Manual Technologic Systems Int 15h Function B021h JP5 Status This function is for backward compatibility with those who used the TS 2350 board mounted push switch JP5 emulates the push switch With JP5 installed this function will behave as if the push switch was installed With JP5 not installed it behaves as if the push switch is not pressed ENTRY AX B021h EXIT CY 0 carry flag AH 00 BX 00 JP5 not installed De asserted 01 JP5 installed Asserted Int 15h Function B020h Jumper Pin Status This function returns the status of the option jumpers in register BX according to the list below ENTRY AX BO20h EXIT CY 0 carry flag AX 0 BX Jumper Pin Status If Bit X 1 the jumper is installed BX Bit Jumper Desc
3. Manual Revisions 2 08 02 e Initial release 02 20 02
4. All four registers reside in I O address space Register I O Address Description P1CFG OF820h Port n Mode Configuration P3CFG oF824h Each bit controls the mode of the associated pin read write 0 Selects I O mode 1 Selects peripheral mode P1DIR OF864h Port n Direction PODIR oFgzAh Each bit controls the direction of a pin that is in I O mode If a pin is in read write peripheral mode this value is ignored 0 Configures a pin as a complementary output 1 Configures a pin as either an input or an open drain output P1LTC OF862h Port n Data Latch PLTG Jai Each bit contains data to be driven on to an output pin that is in I O mode read write Write the desired pin state value to this register If a pin is in peripheral mode this value is ignored Writing a value to a PL bit causes that value to be driven onto the corresponding pin For acomplementary output write the desired pin value to its PL bit This value is actively driven high or low onto the pin For an open drain output a zero results in an actively driven low on the pin a one results in a high impedance input state at the pin To configure a pin as an input write a one to the corresponding PL bit A one results in a high impedance state at the pin allowing external hardware to drive it Reading this register returns the value in the register not the actual pin state P1PIN OF860h Port n Pin State PSPIN OF870h Each bit of this
5. not require a keyboard video floppy disks or hard drives By adding the optional TS 9500 daughter board you can compile and debug directly on the TS 3300 with standard VGA video and keyboard interfaces Alternatively you can typically write and debug code on a host PC using standard development tools for the PC platform then simply copy it to and run it on the TS 3300 without modification If additional peripherals are required the PC 104 expansion bus allows for many standard functions available off the shelf It is also very simple to create a custom PC 104 daughter board for those special features that differentiate your product Technologic Systems can provide technical support as well as a free quotation for any custom hardware software or BIOS modifications you may require This manual is fairly short This is because for the most part the TS 3300 is a standard x86 based PC compatible computer and there are hundreds of books about writing software for the PC platform The primary purpose of this manual is documenting where the TS 3300 differs from a standard PC 2 PC Compatibility PC compatibility requires much more than just an x86 processor It requires PC compatible memory and I O maps as well as a PC compatible BIOS The General Software EMBEDDED BIOS offers a high degree of compatibility with past and present BIOS stand ards allowing it to run off the shelf operating systems and application software The EMBEDDED BIOS has
6. 7A and the direction of DIO1_4 thru DIO1_7 Figure 2 DIO1 Header aah is controlled by bit 1 of I O location Hex 7A The direction of g DIO1_8 thru DIO1_ 11 is controlled by bit 5 of I O location Hex 7A while DIO1_12 and DIO1_ 13 are always inputs In all cases when a control bit is a 1 it is setting the corresponding DIO lines to be Outputs while a 0 sets them to be Inputs All control bits at I O location Hex 7A are initialized at reset to be 0 When bit 7 of I O location Hex 7A is a 1 DIO1_13 is connected to IRQ7 allowing this port to trigger an interrup t 02 20 02 TS 3300 User s Manual Technologic Systems All digital outputs on this port can source 4 mA or sink 8 mA and the digital inputs have standard TTL level thresholds and must not be driven below 0 Volts or above 5 0 Volts DIO lines DIO1_0 thru DIO1_7 have 4 7KQ pull up resistors biasing these signals to a logic 1 6 2 DIO2 Header The DIO2 port provides 5V GND and 14 digital I O lines DIO lines DIO2_0 thru DIO2_7 are a byte wide port accessed at I O DIO2 13 DIO2 6 location Hex 7E while the 6 other DIO lines DIO2_8 thru DIO2 12 DIO2 5 DIO2_13 are accessed in the lower 6 bits of I O location Hex 7F DIO2 11 DIO2 4 I O location Hex 7D is a control port for DIO2 The direction of DIO2 10 DIO2 3 DIO lines DIO2_0 thru DIO2_3 is controlled by bit 0 of I O DIO2 9 DIO2 2 location Hex 7D and the direction of
7. DIO1_11 Bit 7 Enable DIO1_13 to drive IRQ7 DIO1_0 thru DIO1_7 Bits 0 7 DIO1_8 thru DIO1_13 Bits 0 5 Control Register for DIO2 and LCD Bit 0 Direction of DIO2_0 DIO2_3 Bit 1 Direction of DIO2_4 DIO2_7 Bit 2 Direction of LCD_0 LCD 3 Bit 3 Direction of LCD_4 LCD_7 Bit 4 Enable LCD Mode Bit 5 Direction of DIO2_8 DIO2_11 Bit 6 Enable LCD_RS to drive IRQ6 Bit 7 Enable DIO2_13 to drive IRQ5 DIO2_0 thru DIO2_7 Bits 0 7 DIO2_8 thru DIO2_13 Bits 0 5 Table 12 TS 3300 DIO and Control Registers The I O ranges of 100h 13Fh or 200h 26Fh or 400h 4FFh are excellent choices for PC 104 daughter board I O usage When designing a custom PC 104 daughter board a User Chip Select is available on PC 104 Bus pin B19 that decodes the I O range 140h 15Fh This can make for a simpler and more cost effective design 02 20 02 TS 3300 User s Manual Technologic Systems Appendix E BIOS Interrupt Functions We have extended the standard BIOS interrupts with several functions that simplify interfacing with the TS 3300 hardware Many books are available with detailed information on us ing interrupts with just about any language Example code is also available on the utility disk You can download the complete User s Manual with BIOS Interrupt Reference from the Technologic Systems website http www embeddedx86 com downloads EBIOS UM PDF Int 15h Function Boooh Technologic System
8. DIO2_4 thru DIO2_7 is DIO2 8 DIO2 1 controlled by bit 1 of I O location Hex 7D The direction of GND DIO2_0 DIO2_8 thru DIO2_11 is controlled by bit 5 of I O location Hex Figure 4 DIO2 Header Pinout 7D while DIO2_12 and DIO2_13 are always inputs In all cases when a control bit is a 1 it is setting the corresponding DIO lines to be Outputs while a 0 sets them to be Inputs All control bits at I O location Hex 7D are initialized at reset to be 0 When bit 7 of I O location Hex 7D is a 1 DIO2_13 is connected to IRQ5 allowing this port to trigger an interrupt 5V DIO2_7 All digital outputs on this port can source 4 mA or sink 8 mA and the digital inputs have standard TTL level thresholds and must not be driven below 0 Volts or above 5 0 Volts DIO lines DIO2_0 thru DIO2_3 have 4 7KQ pull up resistors biasing these signals to a logic 1 DIO2_8 can be programmed to indicate the state of the TS 3300 LED When bit 0 of I O location Hex 79 is set DIO2_8 will be a logic 1 when the LED is on Setting bit 0 of I O location Hex 79 forces DIO2_8 to be an output regardless of the state of bit 5 at I O location Hex 7D 6 3 Using LCD Port as Digital I O The LCD Port can be used as 11 additional digital I O lines or it can be used to interface to a standard alphanumeric LCD display At system reset the port defaults to DIO mode If using an LCD display this port can be switched to
9. LCD mode by writing a 1 into bit 4 at I O location Hex 7D or the BIOS call to enable the LCD also sets bit 4 at I O location Hex 7D See Section 7 for LCD mode LCD 6 4a LCD 7 When the LCD port is in DIO mode pins LCD_RS and LCD_WR are LCD 4 12 LCD 5 digital inputs LCD_EN is a digital output and LCD_0 thru LCD_7 are Lcp_2 40 LCD 3 programmable as either inputs or outputs LCD0 8 pone LCD_RS and LCD_WR can be read at I O location 73h bits 7 and 6 BUD INE 6 LCDZEN respectively The state of LCD_EN is controlled by writing to I O Bias 4 LCD_RS location 73h bit 0 GND 2 5V Figure 5 Pinout for LCD header LCD_O thru LCD_7 can be read or written at I O location 72h The when used as DIO direction of this byte wide port pins 7 14 is determined by bits 2 and 3 at I O location 7Dh If bit 2 is a zero then the lower 4 bits pins 7 10 are inputs If bit 2 is logic 1 then pins 7 10 are outputs Bit 3 at location 7Dh controls the upper 4 bits pins 11 14 in a like manner When bit 6 of I O location Hex 7D is a 1 LCD_RS is connected t o IRQ6 allowing this port to trigger an interrupt All digital outputs on this port can source 4 mA or sink 8 mA and the digital inputs have standard TTL level thresholds and must not be driven below 0 Volts or above 5 0 Volts LCD_7 and LCD_RS have 4 7KQ pull up resistors biasing these signals to a logic 1 02 20 02 TS 3300 User
10. RTS In addition RTS is also used to enable the RS 485 transmitter see below for more details 5 3 RS 485 Support An option is available to add support to COM1 for half duplex or full duplex RS 485 RS 485 drivers allow communications between multiple nodes up to 4000 feet 1200 meters via twisted pair cable Half duplex RS 485 requires one twisted pair plus a Ground connection while full duplex requires two twisted pair plus a Ground For half duplex operation a single twisted pair is used for transmitting and receiving The serial port s RTS signal controls the RS 485 transmitter receiver When RTS is asserted true bit 1 of the modem control register 1 the RS 485 transmitter is enabled and the receiver disabled When RTS is de asserted the transmitter is tri stated disabled and the receiver is enabled Since the transmitter and receiver are never both enabled the serial port UART does not receive the data transmitted Position with terminal strip facing you Left 5V Power GND NC 9 4 DTR RTS out CTS 8 3 TX data out RTS KAEI RX data in Figure 1 Serial Port ae and DB9 Pin out signal direction is in brackets PLEASE NOTE The serial port headers use a non standard numbering scheme This was done so the header pins would have the same numbering as the corre sponding DB 9 pin i e pin 8 CTS on the header connects to pin 8 on the DB 9 RS 485 Quick start procedure The RS 485
11. TS 3300 is using a Compact Flash card as well You can transfer your development tools e g Turbo C onto the TS 9500 Compact Flash card Now you can compile debug and execute right on the TS 3300 target 15 2 Transferring files with Compact Flash The TS 3300 removable Compact Flash card can be used to easily move files from a host system We suggest using a low cost SanDisk USB compact flash card interface for your host system This is included in the TS 3300 Developer s Kit For best results we have noticed that it is best to boot the host PC with a Compact Fla sh card installed in the SanDisk USB Reader The Compact Flash card can then be hot swapped inserted or removed without rebooting the host PC There are two other options for connecting a Compact Flash to your host computer A Compact Flash to PCMCIA adapter which can map a Compact Flash as a hard drive on your laptop host computer Or a Compact Flash to IDE adapter which connects to the 40 pin IDE interface on you host computer The IDE adapter will allow you can boot to CF run fdisk format etc 15 3 Zmodem Downloads Using the Zmodem protocol to send files to and from the TS 3300 is simple and straightforward The only requirement is a terminal emulation program that supports Zmodem and virtually all do If you are using Windows 95 or later for your development work the HyperTerminal accessory works well To download a file to the TS 3300 from your host PC ex
12. not Channel 4 hang if there is a hardware fault MAX197 not populated If the ADC Channel 5 completion bit is not true after 50 uS the routine exits with an error condition Channel 6 Int 15h Function BO50h Channel 7 ENTRY Analog GND AX B050h BL Value to write into A D Control register See Table 6 EXIT CY 0 no error ADC Header AH 0 No Error 2 4 6 8 10 12 1 bad subfunction 113151719111 2 bad input registers i e if BL bit 5 set Figure 3 ADC Header Pinout 3 ADC option not present I O 7Dh bit 0 0 4 Hardware error A D timeout BX A D Conversion value 10 The 10 Base T Ethernet Port The TS 3300 has full function IEEE 802 3 Ethernet capability 10 Mbit sec provided by a Cirrus Logic CS8900A Ethernet controller The CS8900A is a single chip 16 bit Ethernet controller that includes such features as full duplex operation power saving shutdown modes and LED indicators for link status and activity The physical interface is 10Base T RJ45 connector The TS 3300 has both a LINK LED and a LAN LED built into the RJ 45 connector that indicates the current ethernet status The LINK LED right side of connector is active when valid ethernet link pulses are detected This LED should be ON whenever the TS 3300 is powered on and properly connected to a 10BaseT Ethernet network The LAN LED left side of connector should pulse ON briefly when any network t
13. option must be installed Install JP6 for full duplex or JP7 for half duplex RS 485 operation Attach the RS 485 cable to the 3 pin or 5 pin terminal strip connector Set the COM1 UART serial parameters baud rate data parity and stop bits interrupts etc To transmit data assert RTS and write the data to the UART To receive data deassert RTS and read the data from the UART Center Right Silk screen Label TX GND RX RX Half duplex Usage TX RX GND Not Used Full duplex Usage TX GND RX RX Table 1 RS 485 Connector Signals The transmitter and receiver share a single pair of signals that are available in a screw down terminal block See the Table 1 for pin outs Note the correct jumper JP6 or JP7 must be installed See the Table 2 for details Fail safe bias resistors are used to bias the TX TX and RX RX lines to the correct state when these lines are not being actively driven This is an important consideration since in a typical RS 485 installation the drivers are frequently tri stated If fail safe bias resistors are not present the 485 bus may be floating and very small amounts of noise can cause spurious characters at the receivers 4 7KQ resistors are used to pull the TX and RX signals to 5V and also to bias the TX and RX 10 02 20 02 Not Used TS 3300 User s Manual Technologic Systems signals to ground Termination resistors may be required for Receiver Source
14. read only register reflects the state of the associated pin read only Reading this register returns the current pin state value regardless of the pin s mode and direction Table 4 386EX I O Port Registers 02 20 02 TS 3300 User s Manual Technologic Systems In the default configuration P1 5 P1 0 and P3 6 are all initialized as inputs while P3 0 P3 1 and P3 3 are initialized as peripherals IRQ4 IRQ3 and IRQ5 Warning When changing these registers always use read modify write procedures so that other port pins used by on board peripherals are not affected For example let s say you want to use 386EX Port 3 1 DIO pin 11 as an output rather than IRQ3 the default configuration Read P3CFG I O F824h AND it with OFDh write it back to F824h changes from peripheral to I O pin Read P3DIR I O F874h AND it with OFDh write it back to F874h this made it a complementary output To set this pin to a 1 Read P3LTC I O F872h OR it with 02h write it back Note Because the serial ports are internal to the 386EX COM1 and COM2 can still use IRQ4 and IRQ3 even when the associated pins P3 1 and P3 0 are configured as DIO pins DIO1 11 and DIO1 12 the interrupts are simply no longer available on the PC 104 bus Appendix G Using A 16 5 MHz Baud Clock Each serial port baud rate generator clock can be independently switched between either the standard 1 85 MHz clock or a 16 5 MHz clock the in
15. to use the keypad A matrix keypad can be used with console redirection only if the keypad is not used as stdin but read from as a hardware device This is useful if one wishes to use console redirection or to use a keyboard as stdin See section 16 for an explanation of console I O and redirection See the Technologic Systems download page for example code http www embeddedx86 com downloads keypad zip When using a matrix keypad the DIO2 signals DIO2_0 through DIO2_7 are not available as general I O 9 A D Converter The TS 3300 supports an optional eight channel 12 bit A D converter ADC capable of 60 000 VO Address Action samples per second Each channel is 196h Write Initiate A D Conversion independently software programmable for a 196h Read LSB of Conversion variety of analog input ranges 10V to 10V 5V 197h Read MSB of Conversion to 5V OV to 10V or OV to 5V This allows an 75h Read Bit 2 1 if A D option installed effective dynamic range of 14 bits Each channel F860h Read Bit 5 0 when Conversion is overvoltage tolerant from 16V to 16V a fault completed condition on any channel will not affect the conversion result of the selected channel This is TAA Taela all accomplished with a 5V only power supply no negative supply voltage is required The Maxim MAX197 chip can be replaced with a MAX199 chip if a lower range of analog input levels is required 4V to 4V 2V to 2V OV to 4V and Ee ea a hee fee C
16. 8 D15 GND MEM16 1016 5V GND c9 C10 The TS 3300 implements a sub set of DO the 8 bit or optionally the 16 bit version of D1 the PC 104 bus We have found this allows the support of the vast majority of PC 104 boards including all of the above mentioned examples The one feature missing is DMA which few PC 104 boards use D2 D16 D18 D19 Table 10 Supported signals on the optional 16 bit PC 104 Pin B19 normally not used has been reassigned to be a User Chip Select This active low signal decodes the I O address range 140h through 15Fh to allow for simple low cost daughter board designs The User Chip Select uses the 386EX CSO0 signal This can be easily re programmed to be at any I O location or memory range All Technologic Systems 3000 and 5000 series products support the User Chip Select feature 02 20 02 TS 3300 User s Manual Technologic Systems 15 Loading or Transferring Files Three methods are available for transferring files between a desktop PC and y our TS 3300 Compact Flash Zmodem downloads and Manufacturing Mode Full descriptions of each are detailed below Other programs that use serial ports to transfer should work as well for example FastLynx 15 1 Developing with the Technologic Systems TS 9500 The TS 9500 daughter board provides full VGA video keyboard and mouse interfaces necessary to work within most environments It also has a Compact Flash card that can be used even if the
17. CMOS Configuration C 2000 General Software Inc All rights reserved DRIVE ASSIGNMENT ORDER Date gt Dec 14 2001 Typematic Delay 250 ms Drive A 5300 Flash A Time 09 56 21 Typematic Rate 30 cps Drive 5300 Flash B NumLock Disabled Seek at Boot None Drive Ide 0 Pri Master Show Hit Del Enabled Drive None BOOT ORDER Config Box Enabled Drive N Boot 1st Drive C Fl Error Wait Enabled Drive Boot 2nd Drive A Parity Checking Unused Drive Boot 3rd DOS R Memor y Test Tick Enabled 4 5 6 Drive Boot 4th None Test Above 1 MB Enabled Drive Boot 5th None Debug Breakpoints Enabled Drive Boot 6th None Splash Screen Unused Drive K None H H Boot Method Boot Sector IDE DRIVE GEOMETRY Sect Hds Cyls Memory Ide 0 2 AUTOCONFIG PHYSICAL Base LOPPY DRIVE TYPES Ide 1 Not installed 640KB loppy 0 Not installed Ide 2 Not installed Ext loppy 1 Not installed Ide 3 Not installed 31MB E X lt Tab gt to select or to modify lt Esc gt to return to main menu QHEIQHEHIQWD The factory defaults shown will first attempt to boo t from Compact Flash as Drive C If no CF is installed the BIOS will then boot from Drive A If a CF is installed but it is not desired to boot from this drive change the
18. E OV to 2V Range select 0 5V range 1 10V range Set to zero Description Details Analog channel select Channels 0 7 Table 6 A D Control Register 196h Write 02 20 02 TS 3300 User s Manual Technologic Systems 9 1 Single Sample Acquisition Procedure An acquisition is initiated by writing to I O location 196h The value written to I O location 196h determines the channel to convert bits 0 2 and selects one of four input ranges bits 3 4 Bits 5 7 should be set to zero After the write cycle to I O location 196h the MAX197 completes the A D conversion in 11 uS Bit 5 at I O location F860h may be polled to determine when the conversion is complete The conversion result is now available at locations 196h LSB and 197h MSB A single word read at I O 196h can also be used When using unipolar modes the result is in binary format with the upper 4 bits of the MSB equal to zero When a bipolar mode is used the result is in twos complement binary with the upper 4 bits Bits 12 15 equal to bit 11 sign extended If more details on the A D converter specifications are required the Maxim web site is listed in Appendix H Description 9 2 A D Converter BIOS Call oo 0 annel 1 An A D acquisition can also be obtained through BIOS call int 15h function Channel 2 BO50h By using a BIOS call your code will operate safely even when running Channel 3 on a development machine without the ADC because the function call will
19. EYBOARD AND CONSOLE REDIRECTION 18 SYSTEM BIOS SETUP SCREENS 19 FEEDBACK AND UPDATES TO THE MANUAL APPENDIX A BOARD DIAGRAM AND DIMENSIONS APPENDIX B OPERATING CONDITIONS APPENDIX C SYSTEM MEMORY MAP APPENDIX D SYSTEM I O MAP APPENDIX E BIOS INTERRUPT FUNCTIONS Int 15h Function BOOOh Technologic Systems BIOS information Int 15h Function B010h LED Control Int 15h Function B042h Alphanumeric LCD Support Int 15h Function BO40h Matrix Keypad Support Int 15h Function A1h Console I O Redirection Int 15h Function BO21h JP5 Status Int 15h Function BO20h Jumper Pin Status 02 20 02 TS 3300 User s Manual Technologic Systems APPENDIX F DIRECT CONTROL OF THE 386EX DIO PINS APPENDIX G USING A 16 5 MHZ BAUD CLOCK APPENDIX H FURTHER REFERENCES APPENDIX MANUAL REVISIONS 02 20 02 TS 3300 User s Manual Technologic Systems 02 20 02 TS 3300 User s Manual Technologic Systems 1 Introduction The model TS 3300 is a compact full featured PC compatible Single Board Computer b ased on the Intel 386EX processor At 33 MHZ it is approximately 40 faster than our 2000 series of 25 MHz 386EX based products PC compatibility allows for rapid development since you can use standard PC development tools such as Turbo C or Power Basic or Linux based tools as well If you have done work in the PC world in the past you will find you can now build applications for a very small target that does
20. OCHRDY AEN A19 through AO GND GND RESETDRV 5V IRQ9 SMEMW SMEMR IOW IOR Reserved t Reserved t User Chip Select t SYSCLK 8 25 MHz IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 BALE 5V OSC GND GND Table 8 Supported PC 104 Signals on the 8 bit Bus T these signals have a non standard usage Signal Name 5V DRQ2 12V ENDXFR 12V DACK1 DRQ1 DACK2 TC DACKO DRQO developed standard rather than creating their own Further the presence of a compact form factor PC compatible standard has encouraged the development of a broad array of off the shelf products allowing a very quick time to market for new products The electrical specification for the PC 104 expansion bus is identical to the PC ISA bus The mechanical specification allows for the very compact implementation of the ISA bus tailor made for embedded systems The full PC 104 specification is available from the IEEE Standards Office under IEEE P996 1 see Appendix E for further information Basically this bus allows multiple daughter boards in a 3 6 inch by 3 8 inch form factor to be added in a self stacking bus Since the electrical specs are identical except for drive levels to a standard PC ISA bus standard peripherals such as COM ports Ethernet video LCD drivers and Flash drives may be easily added using standard drivers Table 9 Unsupported PC 104 Signals Signal Name Co GND C1 SBHE LA23 LA17 MEMR MEMW D
21. TS 3300 For best results we have noticed that it is best to boot the host PC with a Compact Flash card installed in the SanDisk USB Reader The Compact Flash card can then be hot swapped inserted or removed without rebooting the host PC 4 5 Battery Backed SRAM The 32 pin socket can also optionally hold 32 KB of battery backed CMOS SRAM memory This or the DiskOnChip may be installed but not both Battery backed SRAM provides non volatile memory with unlimited write cycles and no write time degradation unlike Flash memory The SRAM uses an additional 32 KB range of D8000h through DFFFFh If the SRAM is installed PC 104 daughter card that uses memory mapped I O must not conflict with this address range I O location 75h bit O can be read to determine whether the SRAM option is installe d a 1 in bit 0 indicates that it is installed a 0 that it is not 5 Serial Ports The two PC compatible asynchronous serial ports COM1 and COM2 provide a means to communicate with external serial devices such as printers modems etc Each is independ ently configured as a standard PC COM port that is compatible with the National Semiconductor NS16C450 COM1 appears in the I O space at 3F8h 3FFh and uses IRQ4 COM2 is located at 2F8h 2FFh and uses IRQ3 By changing an internal configuration register in the 386EX the serial clock to the COM ports can be switched to 16 50 MHz This feature allows baud rates higher than 115 Kbaud a
22. TS 3300 User s Manual a A A 1 aa Technologic TS 3300 User s Manual Technologic Systems S Y S TEM S n AA Technologic Technologic Systems Incorporated 16610 East Laser Drive Suite 10 Fountain Hills AZ 85268 480 837 5200 FAX 837 5300 info embeddedx86 com http www embeddedx86 com This revision of the manual is dated February 8 2002 All modifications from previous versions are listed in the appendix Copyright 1998 2002 by Technologic Systems Inc All rights reserved 02 20 02 TS 3300 User s Manual Technologic Systems Limited Warranty Technologic Systems warrants this product to be free of defects in material and workmanship for a period of one year from date of purchase During this warranty period Technologic Systems will repair or replace the defective unit in accordance with the following instructions e Contact Technologic Systems and obtain a Return Material Authorization RMA number and a copy of the RMA form e Fill out the RMA form completely and include it and dated proof of purchase with the defective unit being returned Clearly print the RMA number on the outside of the pack age This limited warranty does not cover damages resulting from lighting or other power surges misuse abuse abnormal conditions of operation or attempts to alter or modify the function of the product This warranty is limited to the repair or replacem ent of the defective unit In no event shall T
23. a very standard PC compatible I O map All other I O locations from 1 0 Address 100h through 3FFh are available on the PC 104 expansion bus Hex Address 500h FFFFh 400h 4FFh 3F8h 3FFh 3F6h 3F7h 3E8h 3EFh 3B4h 3DFh 376h 377h 300h 30Fh 2F8h 2FFh 2E8h 2EFh 278h 27Ah 1FOh 1F7h 198h 19Fh 196h 197h 190h 195h 170h 177h 140h 15Fh 080h OFFh 074h 07Fh 072h 073h 070h 071h 060h 064h 000h 05Fh Resource PC 104 Bus Not recommended for use PC 104 Bus User daughter board COM1 Primary IDE Compact Flash Reserved for COM3 Video TS 9500 Secondary IDE TS 9500 CS8900A Ethernet controller COM2 Reserved for COM4 Reserved for LPT1 Primary IDE Compact Flash Registers on TS 9500 A D Converter Reserved Secondary IDE TS 9500 User Chip Select PC 104 Bus Internal 386EX peripherals DIO and Control registers LCD port RTC and CMOS memory Keyboard Controller TS 9500 Internal 386EX peripherals Table 11 TS 3300 I O Map Technologic Systems Resource Product Code Xxxxx010 Product Code for TS 3300 Bit 0 SRAM Option Bit 1 RS 485 Option Bit 2 A D Converter Option Reserved Bit 0 JP8 Bit 1 JP3 Bit 2 JP4 Reserved Bit 0 Enable DIO2_8 to track LED Control Register for DIO1 Bit 0 Direction of DIO1_0 DIO1_3 Bit 1 Direction of DIO1_4 DIO1_7 Bit 5 Direction of DIO1_8
24. acket driver EPKTISA COM is loaded by AUTOEXEC BAT once DOS starts hardware settings are read from the EEPROM chip and used by the packet driver to initialize the CS8900 The TCP IP settings for the WATTCP code are stored in the WATTCP CFG configuration file in the A ETHERNET directory this file must be modified for the network environment where the TS 3300 will be installed WATTCP CFG configuration file my_ip 192 168 0 20 IP address of this E thernet interface hostname epc embeddedx86 com Host name of this computer netmask 255 255 255 0 Used to determine which IP s are local gateway 192 168 0 1 Gateway for internet access nameserver 192 168 0 1 Name server for domain nam e lookups With the WATTCP CFG file properly setup and the 10 base T cable connected you should be able to ping other nodes on the network Ping example A ping www embeddedx86 com Technologic Systems Example Configuration Pinging www embeddedx86 com 209 130 84 83 sent PING 1 PING receipt 1 response time 0 00 seconds Ping Statistics Sent Received Success 100 Average RIT 0 35 seconds A Other WATTCP examples include serial to telnet redirector http file dow nload telnet server and finger Many more can be downloaded from the internet as freeware 02 20 02 TS 3300 User s Manual Technologic Systems LINUX TCP IP configuration Wh
25. and contact info for Omen Technologies is in Appendix G 02 20 02 TS 3300 User s Manual Technologic Systems 15 4 Manufacturing Mode The TS 3300 has a special feature called Manufacturing Mode which makes the on board Flash SSD appear as just another drive on your desk top computer using a DOS device driver and a serial cable First connect a null modem cable between COM2 on the TS 3300 and COM1 or COM2 of your desktop computer Next the TS 3300 must be placed in Manufacturing Mode To do so install jumper JP1 and power cycle the unit or enter CMOS setup and select Start RS232 Manufacturing Link Manufacturing Mode will automatically start once the POST routines have been executed At this point the TS 3300 will simply sit and wait for serial packets to arrive from a host Now install the Manufacturing Mode driver on your desktop computer To do so simply copy the MFGDRV SYS device driver from the utility disk to anywhere on your desktop machine s hard drive Then insert the following line in your CONFIG sys file and reboot DEVICE lt PATH gt MFGDRV SYS UNIT 0 BAUD 56K PORT COMx Where lt PATH gt is the full path to the location where you copied the MFGDRV SyYS driver and x is the port on your host PC that the null modem cable is connected to 1 or 2 The Flash SSD drive should now appear on the next free drive letter on your desktop computer usually the D or E drive Simply copy your program onto the d
26. as an integrated debugger that can perform standard low level debugger functions The debugger allows you to perform operations such as disassemble code display and alter the contents of memory write to and read from I O ports and single step through or breakpoint code The debugger is not intended for use as the only debugging tool for applications but it can be a real lifesaver when you need interactive direct access to hardware The BIOS debugger can be entered by any of several methods e The debugger hooks the CPU exception vectors in case a divide by zero occurs an invalid opcode is executed or an INT 3 instruction is executed for example By placing an INT 3 instruction in your application code the debugger will automatically be invoked To resume type the G command to GO or continue on with the rest of initialization 02 20 02 TS 3300 User s Manual Technologic Systems From DOS ROM by typing INT3 at the command prompt If the full command com interpreter is running this is an internal command If only mini command com is running this will execute a small utility that simply contains an INT 3 instruction From the BIOS Setup main menu started by typing ctrl C during the BIOS POST the ENTER SYSTEM BIOS DEBUGGER selection will enter the debugger After use typing the G go command will return to the SETUP screens As a boot action as a last ditch effort if the operating system cannot be
27. been tested with all major versions of DOS including MS DOS DR DOS and Embedded DOS 6 XL all major versions of OS 2 including MS OS 2 and IBM OS 2 MS Windows 3 1 Windows 95 Windows NT and NetWare 386 2 1 Operating Systems Technologic Systems Embedded PCs are compatible with a wide variety of x86 based operating systems A partial list OSes currently used with our boards by customers in cludes TNT Embedded Toolsuite Phar Lap Software UCos II RTKernel On Time Software RTEMS On Line Applications Research Corporation DOS with WATTCP public domain TCP IP source code for DOS Linux The TS 3300 is shipped free of charge with Embedded DOS ROM by General Software The TS 3300 can be shipped upon request with Linux pre installed for a nominal fee The Linux file system and kernel is also freely available on the web should you wish to install it yourself Typically the Linux OS requires a 16MB or larger Compact Flash or an M System s DiskOnChip 02 20 02 TS 3300 User s Manual Technologic Systems 3 Power The TS 3300 requires regulated 5VDC at 800 mA typical A quick release screw down terminal block for the 5V power and power GND connections is provided for easy connection to an external p ower supply When power is first supplied to the TS 3300 the board mounted LED is immediately turned on under hardware control Once the processor begins execution the LED is turned off The LED then turns on then off to
28. booted from the appropriate drives or out of ROM A complete discussion of debug ger commands is available in the Integrated BIOS Debugger Reference Manual included on the TS 3200 Utility Disk and also available from the Technologic Systems web site Entering will list all available commands and a g go will return execution to the point where the debugger was called 16 2 Using other debuggers For example the Turbo C debugger can be used on the target board using the TS 9500 video and keyboard interfaces Any other standard PC software debugger of your choice should work just as well 17 Video Keyboard and Console Redirection The TS 3300 has no video controller or keyboard interface This was done to keep the board size small and the cost low For applications that require it a PC 104 video board can be added to the system easily Technologic Systems recommends the TS 9500 a PC 104 daughter board with video keyboard mouse and compact flash This is extremely useful in speeding up the development phase and shortening the time to market With the TS 9500 installed developers can develop right on the target board with any compiler or debugger of their choice such as the Turbo C compiler or debugger Without a video board in the system the TS 3300 can redirect all console activity to the COM2 serial port Simply connect an ANSI terminal or emulator to COM2 with a null modem cable using serial parameters of 9600 ba
29. e on the Technologic Systems web site www embeddedx86 com These include manuals application notes programming examples and updated software and firmware Check in periodically to see what s new When we are prioritizing work on these updated resource s feedback from customers and prospective customers is the number one influence If you have questions comments or concerns about your TS 3300 Embedded PC please let us know Details for contacting us are listed in the front of this manual Appendix A Board Diagram and Dimensions Not available at this time Appendix B Operating Conditions Operating Temperature 0 to 70 C Extended temperature range is optional Operating Humidity 0 to 90 relative humidity non condensing Supply Voltage 5 VDC 5 tolerance 4 75 to 5 25 Volts 02 20 02 TS 3300 User s Manual Appendix C System Memory Map Resource Technologic Systems Starting Address hex decimal Linear Flash Chip 340000h Extended Memory RAM 100000h BIOS Shadow RAM E0000h PC 104 Bus DAOOOh DiskOnChip or SRAM D8000h PC 104 Bus C8000h PC 104 typically video BIOS Co0000h PC 104 typically video memory A0000h Lower Memory RAM 00000h Figure 4 TS 3300 Memory Map 02 20 02 TS 3300 User s Manual Appendix D System I O Map The following table lists the I O addresses used by the system This is all
30. echnologic Systems be liable or responsible for any loss or damages including but not limited to any lost profits incidental or consequential damages loss of business or anticipatory profits arising from th e use or inability to use this product Repairs made after the expiration of the warranty period are subject to a flat rate repair charge and the cost of return shipping Please contact Technologic Systems to arrange for any repair service 02 20 02 TS 3300 User s Manual Technologic Systems Table Of Contents LIMITED WARRANTY 1 INTRODUCTION 2 PC COMPATIBILITY 2 1 Operating Systems 4 1 4 2 4 3 Compact Flash cards and DiskOnChip modules 4 4 Using the SanDisk USB Compact Flash Card Reader 4 5 Battery Backed SRAM SERIAL PORTS 5 1 Serial Port Configuration Registers 5 2 Serial Port Hardware 5 3 RS 485 Support 5 4 Adding Serial Ports DIGITAL I O 6 1 DIO1 Header 6 2 DIO2 Header 6 3 Using LCD Port as Digital I O 6 4 DIO on the PC 104 bus LCD INTERFACE MATRIX KEYPAD SUPPORT A D CONVERTER 9 1 Single Sample Acquisition Procedure 9 2 A D Converter BIOS Call THE 10 BASE T ETHERNET PORT REAL TIME CLOCK WATCHDOG TIMER AND SOFTWARE RESET LED AND JUMPERS PC 104 BUS EXPANSION LOADING OR TRANSFERRING FILES 15 1 Developing with the Technologic Systems TS 9500 15 2 Transferring files with Compact Flash 15 3 Zmodem Downloads 15 4 Manufacturing Mode 16 DEBUGGING 16 1 Integrated BIOS Debugger 16 2 Using other debuggers 17 VIDEO K
31. ecute DL BAT at the DOS command line on the TS 3300 while using console redirection from within your terminal emulator and begin the transfer with your terminal emulator In HyperTerminal this is Send File from the Transfer menu To upload a file from the TS 3300 to your host PC execute UL BAT lt FILENAME gt at the DOS command line on the TS 3300 and start the transfer in your terminal emu lator Many emulators HyperTerminal among them will automatically begin the transfer themselves Occasionally there may be errors in transmission due to background solid state disk operations This is not a problem Zmodem uses very accurate CRC checks to detect errors and simply resends bad data Once the file transfer is complete the file is completely error free For best results when using HyperTerminal the hardware handshaking must be enabled in HyperTerminal To increase the download speed you co uld also use a ram disk on the TS 3300 to receive the download file and then copy to the flash drive To declare a ram disk insert this line into the config sys file device dos vdisk sys kbtouse 1024 Please note that the utility used to perform Zmodem file transfers on the TS 3300 side is called DSZ produced by Omen Technologies DSZ is shareware it is not free If you decide to use it you are legally obligated to pay Omen Technologies Currently the cost is 20 Further info is available in the DSZ zip file located on the utility disk
32. en using the TS 3300 with Linux the CS8900 driver can be included in the kernel or loaded as a kernel module If the Technologic Systems kernel is used the CS8900 driver is built into the kernel The settings stored in EPROM on the TS 3300 are used to configure the CS8900 The TCP IP settings for the 2800 are configured in the file etc config ifcfg ethO here is a listing DEV ICE eth0 Name of Ethernet interface TPADDR 192 168 0 50 IP address of this Ethernet interface NETMASK 255 255 255 0 Used with NETWORK to determine local IP s NETWORK 192 168 0 0 Used with NETMASK to determine local IP s BROADCAST 192 168 0 2 55 Broadcast IP for system wide messages The TCP IP network settings are configured in the file etc config network here is a listing NETWORKING yes FORWARD_IPV4 yes DEFRAG_IPV4 no GATEWAY 192 168 0 1 Gateway for internet access HOSTNAME epc Host name of this computer The TCP IP name resolution server is configured in the file etc resolv conf here is a listing Nameserver 192 168 0 1 Name server for domain name lookups To access the web server open a web browser and enter 192 168 0 50 as the address This should display the sample web page which demonstrates some of the functionality of Apache with PHP Use the ifconfig command at the bash prompt to display the status of
33. enu Basic CMOS Configuration Setup disk drives drive mapping boot order misc Custom Configuration Setup custom features for Technologic Systems boards Shadow Configuration Setup ROM BIOS shadowing in RAM Start System BIOS Debugger Enter debugger see section 15 Start RS232 Manufacturing Link Enter manufacturing mode to link with host PC Format Integrated Flash Disk Low level format of flash drives A and B Reset CMOS to last known values Resets changes since last boot Reset CMOS to factory defaults Reset to settings as shipped from Technologic Systems Write to CMOS and Exit Save all changes made and reboot System Bios Setup Utility v4 3 C 2000 General Software Inc All rights reserved gt Basic CMOS Configuration Custom Configuration Shadow Configuration Start System BIOS Debugger Start RS2 32 Manufacturing Link Format Integrated Flash Disk Reset CMOS to last known values Reset CMOS to factory defaults Write to CMOS and Exit Exit without changing CMOS Esc gt to continue no save www gensw com 02 20 02 TS 3300 User s Manual Technologic Systems The Basic CMOS Configuration screen allows setup of the Compact Flash or IDE drives Drive Assignment mapping and Boot Order as well as Time Date and misc keyboard and memory test settings The default settings for the TS 3300 are show below System Bios Setup Basic
34. es and simple output This signal is also available as a digital output on the DIO2 port When power is first supplied to the TS 3300 the user LED is immediately turned on under hardware control Once the processor begins execution the LED is turned off then flashed on and off again briefly After boot this LED is reserved solely for user applications There are also two LEDs on the RJ 45 Ethernet connector that are controlled by the CS8900A Ethernet Controller and provide feedback on the status of the network See Section 10 above for details If the user LED does not turn on at all when power is applied the most 02 20 02 TS 3300 User s Manual Technologic Systems likely problem is the power supply Check that the 5V and GND connections are not reversed A diode protects the board against damage in such a situation It is preferred to use BIOS interrupt functions to interface software with the user LED and option jumpers Please see Appendix F for further det ails and the utility disk for example code The LED is controlled by bit 6 at I O location F862h with a 0 turning ON the LED 02 20 02 TS 3300 User s Manual Technologic Systems 14 PC 104 Bus Expansion The PC 104 is a compact implementation of the PC AT ISA bus ideal for embedded applications Designers benefit from using an already A1 A2 A9 A10 A11 A12 A31 A32 B1 B2 B3 B4 Signal Name DIO_A1t D7 through DO I
35. ic Systems Int 15h Function B042h Alphanumeric LCD Support This routine enables and disables the console on the LCD interface It supports all LCD displays sized 2 x 40 or smaller using a Hitachi HD44780 controller ENTRY AX B042h BH 00 Disable LCD 01 Enable LCD 02 Return current LCD status Set if error else clear if success carry flag 00 No Error LCD initialized OK 00 LCD currently disabled Not present 01 LCD currently enabled and running Int 15h Function B040h Matrix Keypad Support This function is used to enable and disable support for the matrix keypad When enabled the RTC periodic interrupt IRQ8 INT70h is enabled at 256 Hz and hooked to the keypad scanning routine Disabling the keypad reverses this process IRQ8 is turned off and INT70Oh is returned to the original standard BIOS function The default translation table consists of the following O 9 A D and returns the scan code for Carriage Return A custom translation tabl e is 16 words long where each word is a scan code ASCII pair for a key Information on scan codes can be found in books on IBM PC hardware Example programs are included on the utility disk See Section 8 for further details ENTRY AX B040h BH 00 Disable matrix keypad Enable matrix keypad Enable matrix keypad with a custom translation table CX Translation table segment if BH 11 DX Translation table offset if BH 11 CY
36. ics card will automatically replace the standard video routines INT10h disabling both the LCD display and the console redirection to COM2 regardless of the state of jumper JP2 If a video board is present all console input is disabled and the TS 3300 will only accept input from a standard PC keyboard 24 02 20 02 TS 3300 User s Manual Technologic Systems If LCD and or Matrix keypad is enabled the console must be directed to standard I O If a TS 9500 is present with video keyboard enabled the standard output will be directed to video even if the LCD is enabled if the Matrix keypad is enabled the PC keyboard and the Matrix keypad will work at the same time 02 20 02 TS 3300 User s Manual Technologic Systems 18 System BIOS Setup Screens The BIOS setup screen allows the user to configure the BIOS settings which are then stored in battery backed CMOS memory in the Real Time Clock The BIOS setup screen also allows entry into the system debugger manufacturing mode and formatting of the integrated flash disks To enter the BIOS Setup screen hit Ctrl C during the memory test If you have a TS 9500 installed with video keyboard enabled hit the Delete key during the memory test When navigating the BIOS setup screen with the console on COM2 the arrow keys do not work Use the Ctrl X Ctrl E and Tab keys to navigate use the Space bar and keys to change fields Use ESC to back out of a m
37. ime out is desired then 2000 m 1 98 1010 decimal or O3F2 hex So WDTRLDH 03F2h and WDTRLDL 0000 When the WDT times out it causes a complete hardware reset to the entire TS 3200 and also asserts RESETDRV on the PC 104 Bus The following code illustrates using the WDT to implement a software reset routine The WDT is initialized with a very low Reload Constant Void main 02 20 02 TS 3300 User s Manual int WI R OxF4C8 int DT OxF4C0 int DTRLI OxF4C2 0 tport WDTRLDL 0x0000 tport WDTCLR OxFO1E Watch tport WDTCLR Ox0FE1 Watch for n 0 n 1 endless loop system will tport WDTRLDH 0x0001 Reload Constant be reset in about 2 milliseconds anyway return 1 Technologic Systems 1 98 mS Dog Feed word 1 Dog Feed word 2 For more information please see Intel s 386EX manual chapter 17 for more information 13 LED and Jumpers I O Location Hexadecimal Jumper Function Manufacturing Mode Console Redirection Write Enable Drive A Reduce 386 clock to 16 5 MHz half rate User Jumper Enable Full Duplex RS 485 on COM1 Enable Half Duplex RS 485 on COM1 Write Enable Drive B User Jumper Table 7 Jumper Listing Bit Position EUL Mey tlic The TS 3300 has an LED available for user software The user LED can be used for diagnostics status messag
38. it is recommended for the host PC for file transfers This results in the ability to quickly move files from a host PC to the TS 8 02 20 02 TS 3300 User s Manual Technologic Systems 3300 using a Compact Flash card as the removable media Since the Compact Flash card appears as a standard IDE drive on the TS 3300 it uses no additional RAM for drivers While a USB Compact Flash reader allows for hot swapping of the Compact Flash card on the host PC the Compact Flash interface on the TS 3300 is_not hot swappable the TS 3300 must be rebooted after removing or installing a Compact Flash card The DiskOnChip module can be installed into the 32 pin socket near the center of the board DiskOnChip modules are available from Technologic Systems as well as other distributors It is compatible with DOS as shipped and drivers for other operating systems such as Linux are available If a DiskOnChip is installed it will simply appear as drive C The DiskOnChip is accessed t hrough an 8 KB range of memory at D8000h through D9FFFh If you are installing a PC 104 daughter card that uses memory mapped I O it must not conflict with this address range if the DiskOnChip is installed Additionally ina DOS environment the DiskOnChi p firmware uses approximately 30 KB of user RAM below 640 KB 4 4 Using the SanDisk USB Compact Flash Card Reader This device allows for a very fast and reliable method of moving files between the host PC and target SBC
39. n active high signal raised whenever the LCD address es are being read or written DO D7 are bi directional buffered copies of the data bus and carry all data and commands to the LCD Table 3 is not the standard pin outs given for LCD displays But this pin out allows a standard ribbon cable to be used when the ribbon cable is attached to the backside of the LCD Example LCD code is available at http www embeddedx86 com downloads util zip 13 02 20 02 TS 3300 User s Manual Technologic Systems 8 Matrix Keypad Support The DIO2 port signals DIO2_0 through DIO2_7 may be configured to support a 4 x 4 matrix keypad When enabled BIOS firmware performs all the work making the matrix keypad appear as a simple 16 key keyboard to software This allows the use of standard keyboard access routines The d efault set of keys translated by the BIOS consists of 0 9 A D and The key is returned as an ASCII Carriage Return character Hex 0D Because the user is writing the software this set of keys is usually sufficient However a custom translation table can be loaded allowing the use of function keys arrow keys or any other key on the keyboard Matrix keypad support is enabled or disabled using INT15h Function B040h see Appendix F Once enabled standard keyboard BIOS functions are enabl ed Note that console redirection and the matrix keypad support are mutually exclusive console redirection must be disabled
40. pported by the BIOS as INT 13h drives The physical Flash memory is accessed by the BIOS in protected mode at me mory address 52M The Flash memory is guaranteed capable of a minimum of 100 000 write erase cycles This means that if you completely erase and rewrite the SSD drive 10 times a day you have over 27 years before any problems would occur Reading the SSD produces no wear at all Flash drive A is read only when JP3 is not installed Write protecting the drive can be useful if there are critical files in the final product that must be very secure The Flash memory is guaranteed capable of a minimum of 100 000 write erase cycles This means that if you completely erase and rewrite the SSD drive 10 times a day you have over 27 years before any problems would occur Reading the SSD produces no wear at all 4 3 Compact Flash cards and DiskOnChip modules If 2MB of Flash is insufficient for your application additional non volatile storage can be added with a Compact Flash card or an M Systems DiskOnChip module Either of these products can supply additional storage that will behave much as a hard dr ive does in a typical PC with sizes ranging from 8MB to 512MB These products are inherently more rugged than a hard drive since they are completely solid state with no moving parts The Compact Flash card has the added advantage of being removable media A SanDisk USB Compact Flash reader writer which is included in the TS 3300 Developer s K
41. provide a characteristic blink during execution of POST If the LED does not turn on at all the most likely problem is the power supply Check that the 5V and GND connections are not reversed A diode protects the board against damage in such a situation but it will not run Please note that supply voltages over 6 VDC may damage the TS 3300 Be sure to use a regulated 5 VDC power supply 4 Memory 4 1 SDRAM The TS 3300 has a total of 8 Megabytes MB of high speed SDRAM providing 640 Kilobytes KB of base memory 7 MB of extended memory and 128 KB of shadow RAM for the BIOS This is identical to a standard PC memory map The TS 3300 can be ordered with 16MB or 32MB of SDRAM but it is not field upgradeable The TS 3300 SDRAM chips are soldered directly to the board By not using a SIMM socket the TS 3300 is much more reliable in high vibration environments 4 2 Flash There is a total of 1 or 2 MB of Flash memory on the TS 3300 with 128 KB reserved for the BIOS During POST this 128 KB area is copied from Flash into SDRAM at addresses E000 Oh through FFFFFh for improved performance a standard technique known as BIOS Shadowing The remainder of the Flash memory 896KB or 1920 KB is configured as two solid state disk SSD drives appearing as drive A and drive B Drive A is always present and uses 896 KB of Flash memory while drive B uses the remaining 1024 KB of Flash memory if the 2MB option is present Both drives are fully su
42. raffic is detected This includes all traffic not just that sent to or from the TS 3300 Both of these LEDs are controlled by the CS8900A and do not require initialization Additionally the LEDs can be placed under software control allowing the customer application use of the LEDs for feedback Please see the CS8900A User Manual Appendix H for further details The hardware settings for the CS8900A are stored in a non volatile EEPROM chip programmed before shipment The settings are interrupt IRQ12 I O address range 300h 30Fh and I O mapped operation The hardware MAC address is also stored in this chip 02 20 02 TS 3300 User s Manual Technologic Systems DOS TCP IP configuration A standard packet driver for DOS is installed on the board as shipped along with sample network applications written with the public domain Waterloo TCP IP software WATTCP WATTCP is a freely available package including source code that provides TCP IP c onnectivity for programs written for the DOS environment See the Technologic Systems download page http www embeddedx86 com downloads wat2001t zip In addition we have written a simple DOS HTTP web server using WATTCP that is included on the TS 3300 utility disk The simple web server uses CGI calls to control a DIO pin from a web browser Full source code is included and you are free to modify and extend the code for your own use on Technologic Systems Single Board Computers The DOS p
43. reliable operation when running long distances at high baud rates Termination resistors should only be installed at each Full Duplex RS 485 end of an RS 485 transmission line Ina multi drop application Half Duplex RS 485 where there are several drivers and or receivers attached only l the devices at each end of the transmission line pair should neither RS 232 have termination resistors Table 2 COM1 Receiver Source When neither JP6 or JP7 is installed COM1 will function normally as an RS 232 serial port A read at I O location 75h bit 1 will return a 1 when the RS 485 option is installed 5 4 Adding Serial Ports If your project requires more than two serial ports additional ports may be added via the PC 104 expansion bus Technologic Systems offers a 2 serial 1 parallel port ca rd TS SER2 and other manufacturers sell cards with up to four additional serial ports Typically these would be configured as COM3 or COM4 or be assigned other non standard I O locations Because DOS only directly supports four serial ports any additional ports beyond four will require software drivers The PC 104 bus has IRQ 3 4 5 6 7 or 9 available for additional serial ports IRQ 5 6 7 or 9 can be used for additional serial port interrupts with no system changes required If IRQ3 must be used ona PC 104 expansion card then care must be taken since IRQ3 defaults to COM2 usage In order to use IRQ3 for COM4 a configuration register in the UART mus
44. ription Manufacturing Mode Console Redirection Write Enable Flash A Reduce 386 clock 50 User definable Write Enable Flash B User definable Table 13 Int15h Function BO20h register BX return values 02 20 02 TS 3300 User s Manual Technologic Systems Appendix F Direct Control of the 386EX DIO Pins The Intel886 EX processor has three 8 bit bi directional I O ports all of which are functionally identical Figure 16 1 Each port has three control registers and a status register All three ports share pins with internal peripherals Several of these pins are routed to the DIO ports If your design does not require a pin s peripheral function you can configure that pin for use as an I O port For exa need IRQ6 for PC 104 you can use the associated pin 386EX P3 4 as a DIO on JP header pin 10 Each pin can operate either in I O mode or in peripheral mode In I O mode a pin has three possible configurations e high impedance input e open drain output requires an external pull up resistor e complementary output In I O mode register bits control the direction input or output of each pin and the value of each output pin In peripheral mode the internal peripheral controls the operation input or output of the pin Each port has three control registers and a status register associated with it The control registers PnCFG PnDIR and PnLTC can be both read and written The status register PnPIN can only be read
45. rive and that s it You can create directories edit files and even execute programs on your desktop computer over the Manufacturing Mode link just the way you would with a regular disk drive just a bit more slowly When you are finished turn off the TS 3300 remove the jumper and turn it back on Your program if loaded into the autoexec will now execute every time the TS 3300 is turned on While Manufacturing Mode is in operation the board LED provides feedback While idle the LED will cycle on and off at approximately 1 2 Hertz While data is being transferred it will cycle much more rapidly anywhere from 5 to 1000 Hertz NOTE The Manufacturing Mode driver currently does not work correctly with Windows 95 or later MS DOS 6 22 or earlier is required Please use the Zmodem transfer if you are using a Windows environment You may need to boot directly to DOS u sing the utility diskette supplied with your unit if you wish to use the Manufacturing Mode method The utility diskette will boot to DOS ROM 4 04 with the maufacturing mode driver installed The flash drive can now be accessed and restored using the floppy 16 Debugging There are two main methods for debugging on the TS 3300 using the integrated BIOS debugger INT3 and or using your development tool s debugger this usually requires the TS 9500 video and keyboard 16 1 Integrated BIOS Debugger To provide simple direct access to the TS 3300 hardware the system BIOS h
46. s BIOS information This function is mostly for our own internal use but may be useful for user programs as well For example your program could have debugging code that executes on your desktop machine but does not when the program is executing on the TS 3300 ENTRY AX B000h EXIT CY 0 carry flag AH 0 AL SP_VERSION For standard versions of the BIOS this is 0 An SP number is assigned when custom modifications are made to the BIOS for a client and it is returned in this register Contact us for further information 00h for standard products BH BIOS Version Major Number E g If the current BIOS version is 2 40 the register will contain 02h BL BIOS Version Minor Number E g If the current BIOS version is 2 40 the register will contain 28h 28h 40 decimal CH Base Flash Memory Size 512kB The TS 3300 is available with 1024kB of base Flash memory standard but this can be increased to 2048 KB for custom orders These would be returned as 02h or 04h respectively CL 50h This is the hardware model number 50h 80 decimal DX Always returns TS 5453h Int 15h Function B010h LED Control This function is used to turn the board LED on and off You can also invert the LED i e if the LED is off it will be turned on and if it is on it will be turned off ENTRY AX B010h 00 LED off 01 LED on 81 LED invert 0 carry flag 00 02 20 02 TS 3300 User s Manual Technolog
47. s Manual Technologic Systems 6 4 DIO onthe PC 104 bus Pin A1 on the PC 104 bus can be used as Digital I O if it is in DIO mode This pin defaults to IRQ1 and is used by the TS 9500 keyboard controller for keyboard interrupts Clearing bit 2 at I O location F824h will switch this pin to DIO mode and can then be programmed as either an Input or an Output based on bit 2 at I O location F874h zero Output It can then be read as an Input on bit 2 at I O location F870h or written as an Output at I O location F872h Care must be taken when writing to these registers to ensure that no other bits are modified Since the TS 9500 requires this pin for the IRQ1 function changing this pin to DIO mode will prevent keyboard u sage on the TS 9500 7 LCD Interface A 14 pin LCD connector is provided on the TS 3300 for interfacing with standard alphanumeric LCD displays These displays use a common controller the Hitachi HD44780 or equivalent While software written for the HD44780 will work with all displays using the controller the cable needed is dependent on the display used For most displays a straight through type ribbon cable can be used The connector on the LCD display is typically mounted on the backside of the display Warning using an incorrect cable or mounting the LCD connector on the front side can result in a reverse power polarity and can damage the LCD display Please refer to your LCD data sheets for in dep
48. s well as non standard lower baud rates such as 24 Kbaud See Appendix G for further information The COM ports may also be configured to use a DMA channel which is handy when very high baud rates are being used When enabled a DMA request is issued any time a serial port s receive buffer is full or its transmit buffer is empty This allows higher speed operation with much lower CPU overhead See the Intel 386EX User s Manual for further details 5 1 Serial Port Configuration Registers Because both serial ports are 100 PC compatible software written for the PC that accesses serial ports directly or through standard BIOS calls will work without modification on the TS 3300 The details 02 20 02 TS 3300 User s Manual Technologic Systems of the COM port internal registers are available in most PC documentation books or the data sheet for the National Semiconductor NS16C450 may be consulted 5 2 Serial Port Hardware Each serial port has 4 lines buffered the Rx and Tx data lines and the CTS RTS handshake pair This is quite sufficient to interface with the vast majority of serial devices The serial lines are routed to 10 pin headers labeled COM1 and COM2 A serial adapter cable can be plugged into the header to convert this into a standard DB9 male connector The pin out for the 10 pin header and DB9 male connector are listed below The RTS signal also drives the DTR pin on the serial ports DTR is always the same state as
49. t be changed to disable COM2 usage of this interrupt COM2 can still be used but it cannot us e interrupts Contact us for details 6 Digital I O There are 40 Digital Input Output DIO lines available on the TS 3300 These are available on 3 headers labeled DIO1 DIO2 LCD and a single DIO input is on the PC 104 bus connector In addition to the DIO signals each header also has 5 Volt power and Ground available The header labeled LCD can be used as 11 DIO lines or as an alphanumeric LCD interface See Section 7 24 of the DIO lines are arranged as three byte wide ports that can be programmed as either inputs or outputs in groups of 4 bits 8 more of the DIO lines can also be programmed as either inputs or outputs in groups of 4 bits also The remaining 8 lines have a fixed configuration of 7 inputs and 1 output Three of the DIO lines can be programmed to cause interrupts 6 1 DIO1 Header The DIO1 port provides 5V GND and 14 digital I O lines that 5V DIO1_7 may be used to interface the TS 3300 with a wide range of DIO1_13 DIO1_6 external devices DIO lines DIO1_0 thru DIO1_7 are a byte wide DIO1_12 DIO1_5 port accessed at I O location Hex 7B while the 6 other DIO lin es DIO1_11 DIO1_4 DIO1 8 thru DIO1_13 are accessed in the lower 6 bits of I O DIO1_10 DIO1_3 location Hex 7C I O location Hex 7A is a control port for DIO1 DIO1_9 DIO1_2 The direction of DIO lines DIO1_0 thru DIO1_3 is controlled by bit epee ate 0 of I O location Hex
50. ternal processor clock divided by 2 Changing the clock to 16 5 MHz allows baud rates higher than 115 kbaud up to 1031 kbaud as well as low error non standard lower baud rates Such as 24 kbaud The baud rate clock is controlled by I O location OF836h Bit 0 controls COM1 Bit 1 controls COM2 Setting a bit to 0 uses the standard 1 85 MHz clock and setting a bit to 1 uses the 16 5 MHz processor clock NOTE You must not modify the other bits of this register You must use a read modify write procedure to change these bits The following example in assembly illustrates this MOV DX OF836 load the I O address IN AL DX read the configuration register OR AL 00000001b Switch COM1 to the 12 5 MHz clock OUT DX AL write the register 02 20 02 TS 3300 User s Manual Technologic Systems Appendix H Further References Technologic Systems Web Site http Awww embeddedx86 com Crystal CS8900A Ethernet Controller Overview http Awww cirrus com products overviews cs8900a html Dallas Semiconductor DS12887 Data Sheet http www embeddedx86 com downloads 12887 pdf Intel 386EX User s Guide http developer intel com design intarch manuals 272485 htm Maxim Integrated Products http www maxim ic com National Semiconductor NS16C450 Data Sheet Omen Technologies http Awww omen com PC 104 Consortium Web Site http Awww pc104 org Waterloo TCP IP Software WATTCP http Awww wattcp com Appendix
51. th information The TS 3300 BIOS incorporates a fairly complete set of INT10h video routines that work with the LCD Once the Function Comments LCD has been enabled INT15h Func B042h see LCD 5V Appendix E below LCD GND The LCD can be written gt 41618 110112144 Sanita Baise to as the standard I O LCD _RS ae ie rigs device This means that L1 3 5 7 9 11 13 Buffere software can be Figure 6 LCD Header Pinout Bias 680 Ohm to GND developed and LCD_EN Active high Enable debugged using standard I O calls and the executable will LCD WR Active low Wri work with LCD VGA video or redire cted COM port See Gave OWENYTItE the section 16 for more information BOD I O addresses 72h and 73h are used to access the LCD LCD_DO Figure 6 shows the header pin out while Table 3 lists the LCD D3 LCD signals The section below will briefly describe the z LCD interface signals The LCD can be controlled directly LCD_D2 Do D7 Buffered by software at these addresses LCD D5 bi directional data bus The register select signal is simply the buffered AO LCD_D4 address line Thus reads and writes to 72h cause register LCD D7 select to be low and those to 73h cause it to be high B Generally the LCD uses this line to separate data bytes ECD_D6 from command bytes See your LCD data sheet for Table 3 LCD Header Signals details The LCD Write signal is an active low write enable line LCD Enable is a
52. the CS8900 See the Technologic Systems Linux Support Page for more information http www embeddedx86 com support linuxhelp php 11 Real Time Clock The Dallas Semiconductor DS12887 is used for the PC compatible battery backed real time clock It is a completely self contained module that includes a Motorola 146818 compatible clock chip the 32 768 kHz crystal the lithium battery and 114 bytes of battery backed CMOS RAM It is guaranteed to maintain clock operation for a minimum of 10 years in the absence of power It is located at the standard PC I O addresses of Hex 070 and 071 The top 32 bytes index 60h through 7Fh are not used by the BIOS and are available for user applications The RTC is capable of generating a square wave output func tion with a period of 500 mSec to 122 uSec The square wave output pin is connected to IRQ8 on the processor and can be used to generate periodic interrupts The keypad example code uses this function to generate interrupts at a 256 Hz rate http www embeddedx86 com downloads keypad zip 02 20 02 TS 3300 User s Manual Technologic Systems 12 Watchdog Timer and Software Reset The Intel 386EX contains a 32 bit watchdog timer WDT unit that can be used as a watchdog timer or as a software reset function A system reset is asserted when the WDT times out preventing a system hanging due to a software bug To prevent a WDT timeout the application must periodically feed the WDT b
53. ud 8 data bits no parity 1 stop bit and make sure jumper JP2 is installed All text information that would normally be displayed on a video screen is now displ ayed in your terminal window and any serial data sent to the TS 3300 is seen as standard keyboard input by programs Please note that the console redirection support is limited by the fact that there is no actual video or keyboard hardware on the TS 3300 Programs must use the standard BIOS routines for display and keyboard input which are rerouted to the serial port Any program that accesses the video or key board hardware directly will not work Keyboard redirection is limited simply because most of th e extended keys on the keyboard function keys and Alt key in particular are not sent by the terminal emulator For these reasons the console redirection feature is meant more for system development testing and field repair rather than as the primary user interface for a finished product If your application uses COM2 removing the jumper JP2 easily disables console redirection If you wish to use a different serial port and or baud rate for the console the coNSOLE EXxE utility allows these modifications to be made Please see the appropriate application notes for further details available on the utility disk or from the Technologic Systems web site http www embeddedx86 com download s AP 100 pdf If a video board is installed on the PC 104 bus the video BIOS on the graph
54. y writing to a specific I O location WDTCLR The value loaded into the 32 bit down counter WDTRLDH and WDTRLDL allows timeout values as high as 128 seconds for a 33 MHz clock This value will be referred to as the Reload Constant The 32 bit Reload Constant determines the maximum time allowed between each Watch Dog Feed After the WDT has been started it cannot be turned off and the Reload Constant cannot be changed This makes it impossible for a crashed program to cause a system to hang The following steps outline how to start the Watch Dog Timer 1 Write to the upper 16 bits WDTRLDH at OF4COh of the reload value the number of clock cycles before the watchdog timer times out followed by a write to the lower 16 bits WDTRLDL at OF4C2h of the reload value 2 Perform a Watch Dog Feed Write 2 sequential words OFO1Eh followed by OFEth to the watchdog timer clear register WDTCLR The WDTCLR is located at OF4C8h 3 Software must periodically perform step two the Watch Dog Feed before the watchdog timer times out to prevent a system reset Each increment in the value of the upper 16 bits WDTRDH of 32 bit Reload Register adds 1 98 mS to the Watch Dog Timeout Value The lower 16 bits WDTRDL are insignificant and can be loaded with zero This fact allows the following simple method of calculating a Re 33MHz 386EX clock Desired Time out in mS _ Upper 16 bit 1 98 For example if a 2 second t
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